UX / CRO Agency
CRO Agency
You don’t need more traffic. You need more sales.
We don’t guess what’s broken: we see it with data. We analyze friction, cognitive load and drop-off points with cutting-edge tools to understand why users leave without buying. Don’t make them burn calories navigating your site.
Some of our clients




















Where psychology, data and design finally agree
We kill the subjective office debates. We pit hypotheses against the real world: does button A or button B sell more? Does this headline convert 20% better? We only ship what the data validates.
CRO agency services
Traffic without conversion makes no sense
CRO Audit
We run a deep heuristic audit analyzing the 10 usability principles to detect consistency failures, error prevention gaps and lack of user control.
View service →A/B Testing
We kill the subjective debates: we pit hypotheses against the real world. Does button A or button B sell more? Does this headline convert 20% better? We only ship what the data validates.
View service →Surveys and Market Research
The data tells you WHAT happens, but the user tells you WHY it happens. We don’t just stare at cold charts: we go to the original source of truth.
View service →Big Data Analytics
If you don’t measure, you don’t improve. We set up your data ecosystem to know exactly which channel brings money and which one only brings the curious, with cutting-edge technology.
View service →Conversion Funnels
This is where wars are won or lost. We optimize the last step of the journey so it’s so smooth the customer has no time to second-guess. We remove useless fields and distractions.
View service →Customer Experience
CRO doesn’t end at the buy button: it ends when the customer comes back for more. We design the Customer Journey Map as a straight line with no obstacles, from first impact to after-sales.
View service →Why do so many brands trust our agency?
Talking to other agencies? Oh… we’re sorry.
3 real reasons why we’re different from the rest.

How can we help you?Always one step ahead
1. We set the trend and innovate
We do not do the same old marketing. We are pioneers at optimizing on platforms others do not even know are possible: we get ChatGPT to recommend our clients’ websites, we work SEO on YouTube and we automate processes with n8n that save thousands of hours a year.
We live marketing… and we teach it
2. References in Marketing, AI and UX
We do not just apply what we know: we teach it, prove it and share it. We are educators with over 500,000 followers, Pedro and Oscar teach at universities such as UPC, EAE Business School and UPV, and we run our own academy with 2,000+ members.
Partners of the leading software
3. We work with the most TOP brands
We are official partners of the most recognized software in the industry, such as TikTok, Elementor, Semrush and Raiola Networks. That means priority access, direct support and certified best practices: faster implementations, stronger integrations and more reliable results.
Case studies
The success case is our goal
Case study
SEO, SEM, UX, CRO

Zona F
Leading driving school in Barcelona and Hospitalet, with over 30 years training drivers for every license —from car to truck— and integrating technology into teaching.
View full caseWhat we achieved:
Conversion increase +30%
Conversion rate3.2% → 4.9%

What we achieved:
Revenue +31% the first year
Case study
SEO, Paid Media, International

Huiike
Paddle surf and water sports brand. We scaled their revenue and opened up new international markets by combining SEO, paid media, and a solid brand strategy.
View full caseWhat we achieved:
Market expansion +4 países

What we achieved:
Stock sold out in season
Client reviews
What our clients say
I reached out to Pedro and his team at Palo Seco 3 years ago to help me with the web positioning of my architecture firm. What I liked most was how transparent they were with us from the start, sharing all their processes and making hard-to-grasp topics easy to understand. Highly recommended.
Javier Ruyra VilluendasCEO of CeditechIf you want a team that does SEO not just to grow traffic, but to make a real impact on your business, the Palo Seco team is exactly what you’re looking for! On top of that, their training sessions are top-notch for anyone just getting started in digital marketing.
Borja Prieto BustamanteHead of Marketing at FactorialOscar from PALO SECO developed the Tok&Go branding for us with excellent results. Thanks to him we have a clear brand that conveys our values. Likewise, the working methodology for building the website made the whole process simple and the result outstanding.
Javier Garcia SotoCEO of Tok&GoPedro SEO and his team have done a great job on the different projects I’ve worked on with them, always delivering quality and meeting the project deadlines.
Jonathan SeoaneCo-founder of WeFoxThey helped me understand that the online channel matters. I trusted them and, thanks to their commitment, I’ve been able to adapt to the new changes and grow my client base.
Jordi RebullFounder of VeneersPedro is a great professional; he knows the world of SEO and manages to make even the most complex terms easy to understand for people who, like me, are complete beginners in the field.
Marco CreativoFounder of Marco CreativoWhy invest in CRO?
It’s cheaper to convince someone already on your site than to bring in new people.
The cost per click on Ads keeps rising.
If your strategy is just pouring more fuel into an engine that leaks oil, you’re burning budget. CRO is the only service that permanently lowers your acquisition cost.
If we double your conversion rate, you double your revenue with the same traffic.
The Oscar RGB vision
It’s not design: it’s psychology applied to the web.
A good interface is the one you don’t feel.
Having Oscar RGB gives us an unfair advantage. His UX/CRO experience, backed by a community of thousands of professionals, isn’t about making the site look pretty, it’s about making it invisible.
The best interface is the one that lets the user move forward without realizing they’re moving forward.
CRO Agency Barcelona
Optimization from the digital heart of Barcelona.
In such a competitive environment, visibility isn’t enough: you have to be flawless.
Barcelona is one of the most demanding tech hubs in Europe. From the Catalan capital we work for brands that won’t settle for just getting visits.
We turn those visits into customers with surgical execution, not opinions.
Benefits of hiring a CRO agency
Three reasons why CRO is the most underrated profitability lever.
- 01
You multiply your ROAS
By improving the site, your Google and Meta Ads campaigns suddenly become profitable. You pay the same for the click, but now that click is worth double.
- 02
You truly know your customer
The CRO process reveals why your customers buy and, above all, why the others leave. That insight is gold for your product and your messaging.
- 03
Sustainable growth
Unlike Ads —stop paying and you disappear— CRO improvements stay on your site forever. It’s infrastructure that keeps paying dividends.
Lots of traffic and few sales?
We run a CRO audit and tell you exactly where you’re losing money.
I want my audit
No fluff, no strings
Tried it before and it didn’t work? This is how we work.
- 01
We work with measurable goals (KPIs).
We do not hide behind 50-page reports full of vanity metrics. We set real indicators from day one: more sales, more bookings and more qualified leads. If it does not impact your bottom line, it is not real marketing.
- 02
Continuous contact: we are here for whatever you need.
Forget endless support tickets or talking to a sales rep who has no idea what happens on your site. You get fluid, constant communication with the specialists who execute your strategy, working as an extension of your own team.
- 03
No lock-in: no fine print.
We do not believe in fine print or holding clients hostage with 12-month contracts. Our best guarantee is work done well. If you stay with us, it is because you see your business grow month after month. Total freedom, absolute transparency.

FAQ
Got a question about CRO?
We’re here to answer them. And if any remain, let’s talk.
Talk to an expertWhat exactly is CRO?
CRO (Conversion Rate Optimization) is the process of optimizing your conversion rate: turning more visitors into customers without needing to increase traffic. We combine analytics, user psychology and design to remove the friction that blocks sales, validating every change with data.
Do I need a lot of traffic to do CRO?
It helps, because A/B tests need statistically significant data, but even with moderate traffic there’s plenty to gain: heuristic audits, usability improvements, checkout optimization and Customer Journey work all create impact without relying on massive tests. We adapt the method to your volume.
How long until I see results?
Obvious friction fixes (checkout, forms, perceived speed) usually show within the first few weeks. A/B tests need to reach statistical significance, typically between 2 and 6 weeks per test depending on your traffic. It’s an iterative process: every cycle leaves permanent learning on your site.
Do you work on my current site or does it need rebuilding?
We work on your current site whenever possible: CRO is optimization, not a redesign for the sake of it. We spot the highest-impact points and improve them surgically. We only recommend rebuilding something when the technical structure blocks growth, and we’ll tell you with data.
What tools do you use?
We combine analytics (GA4 and server-side tracking), heatmaps and session recordings, A/B testing tools and Voice of Customer surveys. Quantitative data tells us what happens; qualitative data, why. With both we build hypotheses that we validate in the real world.
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View service →Client portal
Work with a live dashboard, not with reports.
Every client gets their own panel: hours spent, traffic, rankings and attributed sales, in real time. Full transparency, no waiting for the end-of-month PDF.
See the client portal- 36 hHours spent
- 48.320Traffic
- 128.400€Attributed sales




